Historic Crests
(1) 633.16 ft on 04/24/1965
(2) 631.22 ft on 04/21/2001
(3) 631.05 ft on 04/14/1997
(4) 629.42 ft on 04/22/1969
(5) 629.08 ft on 06/30/1993
(6) 628.74 ft on 04/26/2019
(7) 628.68 ft on 04/23/1952
(8) 628.45 ft on 05/05/1975
(9) 628.38 ft on 04/21/1951
(10) 628.37 ft on 04/17/2011
(11) 627.90 ft on 04/10/1967
(12) 627.53 ft on 10/04/1986
(13) 627.43 ft on 04/10/1986
(14) 627.05 ft on 03/22/1973
(15) 626.39 ft on 06/02/2019
(16) 626.33 ft on 10/02/2010
(17) 626.20 ft on 05/10/1954
(18) 626.02 ft on 03/15/1983

(P): Preliminary values subject to further review.